add php lint checking
add php lint checking

zenlambda/SublimeLinter3,paulirish/SublimeLinter3,simonzack/SublimeLinter3,uschmidt83/SublimeLinter-for-ST2,SublimeLinter/SublimeLinter-for-ST2,benesch/sublime-linter,SublimeLinter/SublimeLinter3,jasonrhaas/SublimeLinter3,jasonrhaas/SublimeLinter3,tangledhelix/SublimeLinter-for-ST2,biodamasceno/SublimeLinter-for-ST2,SublimeLinter/SublimeLinter-for-ST2,lunixbochs/sublimelint,Raynos/SublimeLinter3-raynos,paulirish/SublimeLinter3,uschmidt83/SublimeLinter-for-ST2,simonzack/SublimeLinter3,ikappas/SublimeLinter3,SublimeLinter/SublimeLinter3,lunixbochs/sublimelint,smanolloff/SublimeLinter3,tangledhelix/SublimeLinter-for-ST2,benesch/sublime-linter,zenlambda/SublimeLinter3,ikappas/SublimeLinter3,smanolloff/SublimeLinter3,biodamasceno/SublimeLinter-for-ST2